AOC LE32A3330/61 Service Manual Download Page 26 | Manualshive

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3. Abnormal display

Abnormal Display

Reset the source

Check the source

Check the panel

Replace the main board

Replace the LVDS cable

Replace the panel

No

No

No

Yes

Yes

Yes

No

No

Check the main board

Enter factory mode to do

“EEPROM initial”&“Reset”

Check the LVDS cable

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Summary of Contents for LE32A3330/61

Page 1: ...E CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 6 1 Power Board 31 6 2 Key Board 34 6 3 IR Board 34 7 Adjustment 35 8 Schematic Diagram 36 8 1 Power Board 36 8 2 Key Board 38 8 3 IR Board 39 9 Exploded View 40 10 BOM List 42 Table of Contents 1...

Page 2: ...ght create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM CAUTION Use of con...

Page 3: ...3 Revision List Version Release Date Revision Instructions Customer Model TPV Model A00 Nov 9 2012 Initial release LE32A3330 61 E32C11NCCHA1NNX ...

Page 4: ...4 1 General Specification Notes Designs and specifications are subject to change without notice This model may not be compatible with features and or specifications that may be added in the future ...

Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...

Page 6: ...6 2 2 To Use the Menus Picture Setting ...

Page 7: ...7 Sound Setting Setting Menu ...

Page 8: ...8 Channel Search Note This setting is only available in TV mode ...

Page 9: ...9 Manual search description 1 Select Channel Search menu 2 Select Manual Search and press OK key or arrow key to get Manual search sub menu Channel Edit Menu ...

Page 10: ...lue Screen functions are available only in TV mode Noise Reduction DCR DCC will be enable only when the Picture mode is Personal Press Red key on remote control to reset Blue screen Sleep time Zoom Noise Reduction DCR DCC functions to the default settings ...

Page 11: ...11 Sound and OSD ...

Page 12: ...PC setting Notes If the PC is connected to the TV and no signal has been input from the PC for more than 30 seconds the TV enters the standby mode automatically This setting is only available in VGA source ...

Page 13: ...he TV two folders will be displayed Select the required drive and press OK key to view subfolder or files in the USB drive Notes If USB storage device is plug in to TV USB port Media menu will pop up on TV screen irrespective of Input Source Files of selected Media type can only be viewed through USB Media type can be any one amoung Photo Music Video Text Viewing Photos 1 Thumbnail of the availabl...

Page 14: ...B menu settings for Music play Press OK key to get following Menu setup shown above 1 Repeat Mode Select the repeat mode as None Single Random All 2 Sound Mode Select sound mode like Pop Rock Class Dance Music Personal 3 DSS Effect Turn on or off TV DSS effect 4 Background Music Select it to on to turn off display and to get only sound from TV 5 Information Display the information of the file Play...

Page 15: ...when some USB devices could not be recognized the problem is usually not the performance failure but due to device driver 2 Because USB devices and memory capability are different the time needs for multimedia player to read information are also different So the information reading speed of the player temporarily getting slow are not the performance failure 3 The voltage supplied to USB interface ...

Page 16: ...nal degradation Cable or VHF UHF or VHF only High Definition Interface You can enjoy high definition programming by subscribing to a high definition cable service or a high definition satellite service For the best possible picture make sure you connect this equipment to your TV via the HDMI or component video with audio input on the back of your TV HDMI Connection If the equipment has a DVI jack ...

Page 17: ... PC with DVI or HDMI output Connect the PC IN jack to the PC using the HD15 HD15 cable with ferrite core analog RGB and audio cable If the PC is connected to the TV and no signal has been input from the PC for more than 30 seconds the TV enters the standby mode automatically Connecting USB drive Connecting Earphone Connecting VIDEO ...

Page 18: ...18 2 4 Front Panel Control Knobs ...

Page 19: ...round 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground HDMI Digital Connector Pin Assignments Pin No Description Pin No Description 1 TMDS Data2 2 TMDS Data2 Shield 3 TMDS Data2 4 TMDS Data1 5 TMDS Data1 Shield 6 TMDS Data1 7 TMDS Data0 8 TMDS Data0 Shield 9 TMDS Data0 10 TMDS Clock 11 TMDS Clock Shield 12 TMDS Clock 13 CEC 14 NC 15 SCL 16 SDA 17 DDC CEC Ground...

Page 20: ...ontal Sync Polarity Presence Screen Mode Frequency Frequency Horizontal Vertical Horizontal Vertical FULL Hz KHz 16 9 640 X 480 59 9 31 5 NEG NEG YES YES YES 800 X 600 60 37 9 POS POS YES YES YES 1024 X 768 60 48 3 NEG NEG YES YES YES 1280 x 1024 60 1360 X 768 60 47 7 POS POS YES YES YES ...

Page 21: ...21 4 Mechanical Instructions 1 Remove the screws to remove BASE 2 Remove the screws to remove REAR COVER ...

Page 22: ...22 3 Remove the screws to remove SPEAKERS MAIN BOARD and POWER BOARD 4 Remove the IR board ...

Page 23: ...23 5 Remove the screws to remove the Panel ...

Page 24: ... Chart 1 No power No power LED Off Check the AC input and the power is ON Power On Check the IR board and LED Replace the IR board Replace the main board Power board output 5 2V Replace the power board No Yes No Yes No ...

Page 25: ...ed Replace the main board Replace the Power board No Yes No Yes No No Power board output 12 16V Check the power key is under control Check the IR receiver is normal Replace the power board Replace the key board Yes Replace the IR board ...

Page 26: ...splay Reset the source Check the source Check the panel Replace the main board Replace the LVDS cable Replace the panel No No No Yes Yes Yes No No Check the main board Enter factory mode to do EEPROM initial Reset Check the LVDS cable ...

Page 27: ...the Panel No display No LED Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes No Yes No No Yes Yes No Yes No Power board output 12 16V Check TV is under control and power on off by remote control and power key ...

Page 28: ...me or enter the menu to reset Reinsert the audio cable or change the TV system Replace the cable Replace the speaker Replace the main board No Yes Check the speaker resistance value is in spec Remark The value is marked on the speaker Check the audio source connection and the TV system are correct Yes No Yes No Enter factory mode to do Reset No ...

Page 29: ...function Replace the battery Replace the remote control Whether the IR board is abnormal Yes No Replace the IR board Replace the main board No Yes No Yes Use the other remote controls Check the remote control battery is not properly placed or no power ...

Page 30: ...y board connected properly Reconnect the key board Buttons are OK Replace the button function Yes No Key board is OK Replace the key board Replace the main board No Yes No No OSD is unstable or can t work normally Enter factory mode to do Reset Yes ...

Page 31: ...31 6 PCB Layout 6 1 Power Board 715G5508P01001002M ...

Page 32: ...32 ...

Page 33: ...33 ...

Page 34: ...34 6 2 Key Board 715G5298K01000004S 6 3 IR Board 715G5671R01000004X x ...

Page 35: ... meet spec in the below setting of Tim pat COMPONENT mode TIM 314 PAT 141 80IRE b Select item Source Ypbpr and item Color Temp Warm Adjust gain of RGB to meet spec in the below setting of Tim pat COMPONENT mode TIM 314 PAT 141 80IRE c Select item Source Ypbpr and item Color Temp Cool Adjust gain of RGB to meet spec in the below setting of Tim pat COMPONENT mode TIM 314 PAT 141 80IRE 3 check VGA TI...

Page 36: ...9114 1uF R9104 82KOHM 5 2WS R9151 2K43 1 8W 1 R9115 47 OHM 1 4W R9129 10K OHM 5 1 8W R9135 NC C9104 2 2NF C9139 NC R9102 6 8K 1 4W R9106 47OHM 5 1 8W D9101 PR1007 IC9103 KIA431A AT P C9105 100N 50V IC9102 PS2561DL1 1 1 2 4 3 R9101 6 8K 1 4W R9112 3 3 OHM 1 4W R9145 910 OHM 1 1 8W C9125 1000pF 630V C9116 270UF 25V D9102 SS0520 1 2 R9137 100K 1 8W 1 R9103 6 8K 1 4W t NR9901 NTCR2 5R 6A 1 2 R9152 NC ...

Page 37: ...3 C8115 47pF Q8112 2N3904 C8116 47pF Q8113 2N3904 Q8114 2N3904 Q8115 2N3904 R8108 330R 1 8W 5 R8104 10 OHM 1 8W C8103 1uF R8105 2R2 5 1 8W Q8102 2N3904 Q8103 2N3904 R8113 18R 1 R8106 10K 1 4W R8103 0 OHM 1 4W SLP R8116 100K 1 1 4W R8110 100K 1 1 4W D8102 RB160M 1 2 C8110 1NF 50V R8119 150K 1 8W 5 C8111 NC R8111 18K 1 8W 5 VADJ C8112 NC VBJT Q8104 2N3904 Q8105 2N3904 CN801 CONN 1 2 3 4 5 6 7 8 9 10...

Page 38: ...iday September 02 2011 称爹 02 Keypad 2 04V 2 22V 1 24 1 45V 0 85V 1 02V 0 47V 0 63V 1 58V 1 79V 2 48V 2 72V R05 750OHM 1 1 8W R04 1K 1 8W 1 R01 7K5 1 8W 1 R03 1K8 1 1 8W R06 750OHM 1 1 8W R02 2K7 1 8W 1 R07 750OHM 1 1 8W SW01 TACT SW FWRD H1 5MM CN01 CONN 1 2 3 4 6 5 FUNC_KEY PWR SW 77G 607 2 FD SW02 TACT SW FWRD H1 5MM SW03 TACT SW FWRD H1 5MM SW04 TACT SW FWRD H1 5MM SW05 TACT SW FWRD H1 5MM SW06...

Page 39: ... NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 A A 2 2 Friday June 22 2012 称爹 02 IR LED R203 220 OHM 1 10W LED_B CN201 CONN 1 2 3 4 5 6 7 LED_R RED BLUE LED201 LED 1 2 3 4 R202 220 OHM 1 10W U201 IRM H938M3 TR2 GND 1 GND 2 OUT 3 VCC 4 change flat type emitting terminal_120405 by Mars SMD LED Top View SMD IR 10 mm 42 55mm VCC C201 2 2UF 16V ...

Page 40: ...40 9 Exploded View ...

Page 41: ...D 13 FOOT PAD 14 PCB SUPPORT 19 MAIN BOARD 21 TAPE_INSULATING Item Part No Description Qty 22 IPTV BOARD 15 0M1G1030 6 47 CR3 SCREW REAR COVER BEZEL 14 23 IO LABEL 17 0M1G1730 8120 SCREW 3x8 POWER BOARD 9 24 BKT_IO 18 0M1G1740 8120 SCREW FOR STD MF 42 D020715 42 D000649 HINGE PANEL 4 25 KEY BOARD 20 0M1G1740 12225 CR3 SCREW M1 MACHINE SCREW x12 0 STAND COVER BASE 4 ...

Page 42: ...10W 5 TZAI YUAN C201 065G060322515K T CAP 0603 2 2UF 10 16V X5R U201 356GS927057 IR RECEIVER IRM H938M3 TR2 38 KHZ 6V E715 715G5671R01000004X IB BOARD PCB KEPFCXA2 KEY BOARD CN01 033G8032 4F X WAFER 4P 1 25MM R04 061G08051001FT RST CHIP 1K 1 8W 1 R03 061G08051801FY RST CHIP R 1K8 1 1 8W R02 061G08052701FY RST CHIP 2K7 1 8W 1 R07 061G08057500FF RST CHIPR 750 OHM 1 1 8W FENGHUA R06 061G08057500FF RS...

Page 43: ...000 hr FB9105 071G 55 21 FERRITE BEAD FB9104 071G 55 21 FERRITE BEAD FB9102 071G 55906 FERRITE CORE 510R C8B R6H 6x9 2 A L9902 073G 174241 X LINE FILTER 18MH MIN EF20 3LFEF2022 303M L9901 073G 174241 X LINE FILTER 18MH MIN EF20 3LFEF2022 303M L8101 073G 174259 CP BOOST CHOKE 33UH 10 2 5A L020341 6 L9103 073G 253 91 H IND CHOKE 3 5uH 10 DADONG L9101 073G 253 91 H IND CHOKE 3 5uH 10 DADONG L9102 073...

Page 44: ...YUAN R8111 061G0805183 JT RST CHIP 18K 1 8W 5 R8105 061G0805229 JF RST CHIPR 2R2 5 1 8W FENGHUA R9151 061G08052431FY RST CHIP 2K43 1 8W 1 R9143 061G08052702FT RST CHIP 27K 1 8W 1 R9148 061G08053001FI RST CHIPR 3KOHM 1 1 8W 0805 R9144 061G08053001FT RST CHIP R 3K 1 8W 1 R9170 061G0805331 JT RST CHIP 330R 1 8W 5 TZAI YUAN R8108 061G0805331 JT RST CHIP 330R 1 8W 5 TZAI YUAN R9169 061G0805331 JT RST C...

Page 45: ...4W TZAI YUAN C9138 065G080510131J F CAP CHIP 0805 100PF J 50V NPO C8117 065G080510231J F CAP 0805 1NF 5 50V NPO C9149 065G080510231J F CAP 0805 1NF 5 50V NPO C8110 065G080510231J F CAP 0805 1NF 5 50V NPO C9150 065G080510231J F CAP 0805 1NF 5 50V NPO C8118 065G080510231J F CAP 0805 1NF 5 50V NPO C8117 065G080510231J M CAP 0805 1NF 5 50V NP0 C9149 065G080510231J M CAP 0805 1NF 5 50V NP0 C9150 065G08...

Page 46: ... T SCHOTTKY RB160M 60 TR 1A 60V SOD 123 D9109 093G 60S 15 T SCHOTTKY RB160M 60 TR 1A 60V SOD 123 D9102 093G 60S934 T DIODE SS0520 SOD 123 D9110 093G 60S934 T DIODE SS0520 SOD 123 D9106 093G 60S935 T HF SCHOTTKY SK34A R2G 3A 40V DO 214AC R8123 361G12061699FT RST CHIPR 1206 16R9 1 1 4W R8136 361G12061699FT RST CHIPR 1206 16R9 1 1 4W R8128 361G12061699FT RST CHIPR 1206 16R9 1 1 4W R8138 361G12061699F...

Page 47: ...21 CAP CER 47pF K 1KV C9119 065G 1K470 2T6921 CAP CER 47pF K 1KV C8116 065G 1K470 2T6921 CAP CER 47pF K 1KV C9906 065G 1K470 2T6921 CAP CER 47pF K 1KV C9905 065G306K1012SR CAP Y1 100PF 10 250V Y5P C9903 065G306K1012SR CAP Y1 100PF 10 250V Y5P C9316 065G306K2212SR CAP Y1 220PF 10 250V Y5P C9908 065G306K47123R CAP Y1 470PF 10 250V Y5P C9908 065G306K4712SR CAP Y1 470PF 10 250V Y5P C9904 065G306M1023S...

Page 48: ...5G 90 23 JUMP WIRE C9126 363G213K2224TA CAP DMPE 2 2nF 10 630V RSBPC1220SH00K C9140 367G415X3317KT EC 330UF 20 50V 12 5 12 C9142 367G415X3317KT EC 330UF 20 50V 12 5 12 C9143 367G415X3317KT EC 330UF 20 50V 12 5 12 C9141 367G415X3317KT EC 330UF 20 50V 12 5 12 E715 715G5508P01001002M POWER BOARD PCB Q11G701017000L00ZL PCB SUPPORT PA66 YES 94V V0 Q12G6300 25 3 FOOT PAD Q40G0003615D90 OTHER LABEL Q45G9...

Page 49: ...BDFNEACC REMOTE AOC RL76E ENGLISH Q45G2010M0101A pe bag for manual Q45T 76 28NV2 R PE BAG FOR BASE SCREW sz02742 X41G32MV61532B MANUAL LE32A3330 61 india 040G 58162435A MANUAL P N LABEL Q40G 581689 4B SN LABEL 58x35mm Q40G0001954 1A S N LABEL X40G0001624 2A Label for screw pe bag X40G032061549A RATING LABEL LE32A3330 61 ...

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